Chm130 Final Exam Questions And Answers
Latest Update 2026 With Complete Solution Rio
Salado College
Assessment Feedback
This section has been submitted to your instructor. The score you see above, reflects your score for this
section.
Total score: 282 out of 300, 94%
Question Feedback
1 of 50
A polyunsaturated fatty acid contains more than one
hydroxyl group.
carbonyl group.
long carbon chain.
double bond.
6 out of 6
Correct!!
1 of 19
, 2 of 50
Waxes are lipids derived from
a long-chain alcohol and a long-chain fatty acid.
glycerol and three fatty acids.
glycerol, fatty acids, a phosphate, and an amino alcohol.
fatty acids, a phosphate, and an amino alcohol. 3. The main lipid components in cellular membranes
are
6 out of 6
Correct!!
2 of 19
, 3 of 50
The main lipid components in cellular membranes are
glycerophospholipids.
fatty acids.
steroids.
triacylglycerols.
6 out of 6
Correct!!
4 of 50
In the fluid-mosaic model that describes cell membranes,
three layers of glycerophospholipid molecules exist.
two layers of glycerophospholipid molecules have their nonpolar sections oriented to the inside of
the membrane.
two layers of glycerophospholipid molecules have their nonpolar sections along the outer surface of
the membrane.
a single row of glycerophospholipid molecules forms a barrier between the inside and outside of the
cell.
6 out of 6
Correct!!
5 of 50
3 of 19
Latest Update 2026 With Complete Solution Rio
Salado College
Assessment Feedback
This section has been submitted to your instructor. The score you see above, reflects your score for this
section.
Total score: 282 out of 300, 94%
Question Feedback
1 of 50
A polyunsaturated fatty acid contains more than one
hydroxyl group.
carbonyl group.
long carbon chain.
double bond.
6 out of 6
Correct!!
1 of 19
, 2 of 50
Waxes are lipids derived from
a long-chain alcohol and a long-chain fatty acid.
glycerol and three fatty acids.
glycerol, fatty acids, a phosphate, and an amino alcohol.
fatty acids, a phosphate, and an amino alcohol. 3. The main lipid components in cellular membranes
are
6 out of 6
Correct!!
2 of 19
, 3 of 50
The main lipid components in cellular membranes are
glycerophospholipids.
fatty acids.
steroids.
triacylglycerols.
6 out of 6
Correct!!
4 of 50
In the fluid-mosaic model that describes cell membranes,
three layers of glycerophospholipid molecules exist.
two layers of glycerophospholipid molecules have their nonpolar sections oriented to the inside of
the membrane.
two layers of glycerophospholipid molecules have their nonpolar sections along the outer surface of
the membrane.
a single row of glycerophospholipid molecules forms a barrier between the inside and outside of the
cell.
6 out of 6
Correct!!
5 of 50
3 of 19
